Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
CDUS43 KLOT 152146
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
445 PM CDT MON SEP 15 2014


...................................

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR SEPTEMBER 15 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         62    137 PM  99    1939  75    -13       62
  MINIMUM         51    245 AM  39    2007  55     -4       56
  AVERAGE         57                        65     -8       59

PRECIPITATION (IN)
  TODAY            T             1.38 1936   0.10  -0.10     0.65
  MONTH TO DATE    2.58                      1.65   0.93     0.80
  SINCE SEP 1      2.58                      1.65   0.93     0.80
  SINCE JAN 1     34.66                     26.78   7.88    33.17

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0

DEGREE DAYS
 HEATING
  TODAY            8                         3      5        6
  MONTH TO DATE   61                        26     35       16
  SINCE SEP 1     61                        26     35       16
  SINCE JUL 1     66                        39     27       27

 COOLING
  TODAY            0                         3     -3        0
  MONTH TO DATE   68                        66      2      116
  SINCE SEP 1     68                        66      2      116
  SINCE JAN 1    783                       806    -23      881
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     3.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83          1200 AM
 LOWEST     64          1200 PM
 AVERAGE    74

..........................................................


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        92      1955
                                             1931
 MINIMUM TEMPERATURE (F)   54        37      1984


SUNRISE AND SUNSET
SEPTEMBER 15 2014.....SUNRISE   632 AM CDT   SUNSET   701 PM CDT
SEPTEMBER 16 2014.....SUNRISE   633 AM CDT   SUNSET   659 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.